AU3352878A – Ground fault protective apparatus of field windings
– Google Patents
AU3352878A – Ground fault protective apparatus of field windings
– Google Patents
Ground fault protective apparatus of field windings
Info
Publication number
AU3352878A
AU3352878A
AU33528/78A
AU3352878A
AU3352878A
AU 3352878 A
AU3352878 A
AU 3352878A
AU 33528/78 A
AU33528/78 A
AU 33528/78A
AU 3352878 A
AU3352878 A
AU 3352878A
AU 3352878 A
AU3352878 A
AU 3352878A
Authority
AU
Australia
Prior art keywords
ground fault
field windings
protective apparatus
fault protective
windings
Prior art date
1977-02-23
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
AU33528/78A
Other versions
AU512126B2
(en
Inventor
Y. and Toda Y Nagura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
1977-02-23
Filing date
1978-02-22
Publication date
1979-08-30
1978-02-22
Application filed by Tokyo Shibaura Electric Co Ltd
filed
Critical
Tokyo Shibaura Electric Co Ltd
1979-08-30
Publication of AU3352878A
publication
Critical
patent/AU3352878A/en
1980-09-25
Application granted
granted
Critical
1980-09-25
Publication of AU512126B2
publication
Critical
patent/AU512126B2/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
G—PHYSICS
G01—MEASURING; TESTING
G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
G01R31/34—Testing dynamo-electric machines
G01R31/346—Testing of armature or field windings
G—PHYSICS
G01—MEASURING; TESTING
G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
G01R27/18—Measuring resistance to earth, i.e. line to ground
H—ELECTRICITY
H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
H02H3/16—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass
H02H3/17—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to fault current to earth, frame or mass by means of an auxiliary voltage injected into the installation to be protected
H—ELECTRICITY
H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
H02H7/06—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric generators; for synchronous capacitors
H02H7/065—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric generators; for synchronous capacitors against excitation faults
AU33528/78A
1977-02-23
1978-02-22
Ground fault protective apparatus of field windings
Expired
AU512126B2
(en)
Applications Claiming Priority (2)
Application Number
Priority Date
Filing Date
Title
JPJP52-18087
1977-02-23
JP1808777A
JPS53103550A
(en)
1977-02-23
1977-02-23
Protective device for earthed field windings of alternator
Publications (2)
Publication Number
Publication Date
AU3352878A
true
AU3352878A
(en)
1979-08-30
AU512126B2
AU512126B2
(en)
1980-09-25
Family
ID=11961853
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
AU33528/78A
Expired
AU512126B2
(en)
1977-02-23
1978-02-22
Ground fault protective apparatus of field windings
Country Status (4)
Country
Link
US
(1)
US4187525A
(en)
JP
(1)
JPS53103550A
(en)
AU
(1)
AU512126B2
(en)
CA
(1)
CA1099782A
(en)
Families Citing this family (24)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4321681A
(en)
*
1979-09-21
1982-03-23
Westinghouse Electric Corp.
Protective relay apparatus
US4335437A
(en)
*
1980-04-15
1982-06-15
Westinghouse Electric Corp.
Circuit interrupter with energy management functions
JPS5826522A
(en)
*
1981-08-07
1983-02-17
三菱電機株式会社
Ground detector for ac generator
JPS5826523A
(en)
*
1981-08-07
1983-02-17
三菱電機株式会社
Ground detector for ac generator
JPS5826524A
(en)
*
1981-08-07
1983-02-17
三菱電機株式会社
Ground detector for ac generator
AU548499B2
(en)
*
1981-09-17
1985-12-12
Anderson Group Plc
Control system for eddy current coupling drive for armoured face conveyors
DE3151864C2
(en)
*
1981-12-30
1985-02-14
Messer Griesheim Gmbh, 6000 Frankfurt
Protective device for welding power sources with one welding circuit
JPS58197523A
(en)
*
1982-05-13
1983-11-17
Toyota Central Res & Dev Lab Inc
Temperature regulator
GB2157835B
(en)
*
1984-04-11
1987-10-21
Central Electr Generat Board
Monitoring earth faults on dynamoelectrics machines
JPS61116922A
(en)
*
1984-11-07
1986-06-04
三菱電機株式会社
High-speed current-limiting breaker
US4594356A
(en)
*
1985-01-08
1986-06-10
Key Pharmaceuticals, Inc.
Method for inducing mydriasis in animals
US4679111A
(en)
*
1985-11-12
1987-07-07
Westinghouse Electric Corp.
Resistance to ground checker
US4727320A
(en)
*
1986-11-24
1988-02-23
General Electric Company
Method and apparatus for motor size determination
US5636226A
(en)
*
1989-12-14
1997-06-03
Texas Instruments Incorporated
Fault sensing circuit and method
US5168416A
(en)
*
1990-09-18
1992-12-01
General Electric Company
Automatic flashover protection for locomotive traction motors
US5126658A
(en)
*
1991-01-22
1992-06-30
Westinghouse Electric Corp.
Generator rotor winding ground detection
US5325044A
(en)
*
1991-09-24
1994-06-28
Bartol Luis E
Electronic voltage regulator protected against failure due to overload, or due to loss of a reference voltage
JP3468817B2
(en)
*
1994-02-25
2003-11-17
株式会社東芝
Field ground fault detector
JP3517617B2
(en)
*
1999-09-17
2004-04-12
株式会社東芝
Electric leakage detection method for electrical equipment
US6501629B1
(en)
2000-10-26
2002-12-31
Tecumseh Products Company
Hermetic refrigeration compressor motor protector
US7834573B2
(en)
*
2007-07-31
2010-11-16
Caterpillar Inc
Winding fault detection system
US8781764B2
(en)
2011-03-16
2014-07-15
Deere & Company
System for detecting a short circuit associated with a direct current bus
CN102645599B
(en)
*
2012-04-27
2014-07-09
中国铁路通信信号上海工程集团有限公司
System and method for switching value data collection of lightning protection device
WO2015011798A1
(en)
*
2013-07-24
2015-01-29
三菱電機株式会社
Field winding type rotating electric machine diagnostic device and field winding type rotating electric machine diagnostic method
Family Cites Families (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US2825006A
(en)
*
1953-05-29
1958-02-25
Jack & Heintz Inc
Ground fault protector
BE638540A
(en)
*
1962-10-13
US3631321A
(en)
*
1970-03-30
1971-12-28
Lear Siegler Inc
Static ground fault circuit
JPS52100149A
(en)
*
1976-02-18
1977-08-22
Tokyo Electric Power Co Inc:The
Digital failure point evaluating unit
1977
1977-02-23
JP
JP1808777A
patent/JPS53103550A/en
active
Pending
1978
1978-02-21
US
US05/879,807
patent/US4187525A/en
not_active
Expired – Lifetime
1978-02-22
CA
CA297,451A
patent/CA1099782A/en
not_active
Expired
1978-02-22
AU
AU33528/78A
patent/AU512126B2/en
not_active
Expired
Also Published As
Publication number
Publication date
CA1099782A
(en)
1981-04-21
AU512126B2
(en)
1980-09-25
JPS53103550A
(en)
1978-09-08
US4187525A
(en)
1980-02-05
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None